Featured Blog Posts – September 2013 Archive (30)

Our 29 best articles about data scientists

Posted on DataScienceCentral, AnalyticBridge and BigDataNews over the last 2 years:

  1. Marrying computer science, statistics and domain expertize…

Added by Vincent Granville on September 26, 2013 at 8:30am — No Comments

DSC Webinar Series

List of events (webinars) hosted by Data Science Central since June 2012:


Added by Vincent Granville on September 25, 2013 at 5:44pm — 2 Comments

Weekly digest - September 30

Sponsored Announcement

Competitors at your heels? Customers churning? Predictions waiting to be made? No matter how big or complex your Machine Learning problem, Skytree can help.

Already have…


Added by Vincent Granville on September 25, 2013 at 10:00am — No Comments

Python Scikit-learn to simplify Machine learning : { Bag of words } To [ TF-IDF ]

Text (word) analysis and tokenized text modeling always give a chill air around ears, specially when you are new to machine learning. Thanks to Python and its extended libraries for its warm support around text analytics and machine learning. Scikit-learn is a savior and excellent support in text processing when you also understand some of the concept like "Bag of word", "Clustering" and "vectorization". Vectorization is  must-to-know technique for all machine leaning learners, text miner…


Added by Manish Bhoge on September 25, 2013 at 9:47am — No Comments

Random Forests Algorithm

One of the most popular methods or frameworks used by data scientists at the Rose Data Science Professional Practice Group is Random Forests. The…


Added by Michael Walker on September 24, 2013 at 8:30pm — 1 Comment

Free NAS eBook: "Frontiers in Massive Data Analysis"

A new 191-page PDF eBook published by the National Academies of Sciences Press is available, "Frontiers in Massive Data Analysis," and can be downloaded for free (after free website registration):


The first 9 of the 10 chapters offer a comprehensive survey of state-of-the-art big data architectures, machine learning, and analysis techniques.

Chapter 10 really…


Added by Michael Malak on September 23, 2013 at 9:35am — No Comments

Big Data Cloud Analytics By Example

Cloud Analytics

Click on the image for full view

I just created a cloud at home. Suppose I start on a project aiming to create a computer game. I purchase 4 servers and some software. After a couple of weeks I realize that in order to complete the project I'll need 6 more servers, but I have run out of money. I decide to write an…


Added by Fari Payandeh on September 22, 2013 at 3:51pm — No Comments

The Data Discovery Platform - Teradata Labs (Webinar)

Gain Your Unfair Advantage with a Data Discovery Platform

Did you know?

Organizations classified as 'Fact Finders' — described as more analytically oriented — are 20% more likely to be among leaders within their industry. While business analytics has been around for decades,…

Added by Vincent Granville on September 19, 2013 at 3:30pm — No Comments

A Guide to Mass Shootings in America

Interesting stats about types of weapons, locations, whether weapon was acquired legally, and gender of killer, etc. Would be nice to see trends on a chart.

Read full article (where you will be able to zoom in…


Added by Vincent Granville on September 19, 2013 at 8:30am — 11 Comments

Your social network profile used in credit scoring models

Who you like on Facebook might end up in your loan application being denied. This article was posted in MotherJones as Your Deadbeat Facebook Friends Could Cost You a Loan.…


Added by Vincent Granville on September 19, 2013 at 8:00am — 1 Comment

Balanced Scorecard Secrets that Book-Smart Professionals Do Not Talk About

The Balanced Scorecard (BSC) is a new buzz-word that stands for the performance management magic pill. Many books on management praise this business concept and report an impressive adoption rate by Fortune 1000 companies. When it comes to practice it appears that only top management in the company knows about the Balanced Scorecard and it is used at a minimum of its potential.

Balanced Scorecard and…


Added by Aleksey Savkin on September 19, 2013 at 12:17am — 2 Comments

A Data Science Example: Deciding When to Sell Your House

Interest in homes for sale and home prices are notably seasonal. We can use data science to investigate this annual pattern. By…


Added by John Geer on September 18, 2013 at 6:16pm — 1 Comment

Instructions for guest bloggers

You are welcome to post guest blogs in our communities:


Added by Vincent Granville on September 18, 2013 at 7:30am — 1 Comment

Our best data visualization articles

Posted over the last 12 months or so. Includes not just charts and diagrams, but also video production, with source code.


Added by Vincent Granville on September 17, 2013 at 4:30pm — 1 Comment

High Performance Computing + Data Science = Competitive Advantage

High Performance Computing (HPC) plus data science allows public and private organizations get…


Added by Michael Walker on September 17, 2013 at 12:28pm — 1 Comment

“The Purple People” - The conundrum of finding business expertise among Data Scientists.

Over the last several months, as I looked at addressing the business needs across various industries as someone leading a team of  Data Scientists, the question of domain expertise invariably cropped up.

Attending one meeting with a Pharmaceutical company, I was posed with the question of, "Have you done work in the areas of Rare Signal detection?" In a similar vein, while preparing for a meeting with an Auto finance major, the question was in the area of using Auto…


Added by Somjit Amrit on September 17, 2013 at 3:39am — 1 Comment

Google F1 Database: One Step Closer To Discovering The DB Holy Grail

What is Google F1 Database?

Click on the image for full view

Google recently replaced its AdWords MySql Database with a Database that they built in-house namely F1 Database. AdWords serves thousand of users, " which all share a database over 100TB serving up hundreds of thousands of requests per second, and runs SQL queries that scan…


Added by Fari Payandeh on September 15, 2013 at 5:30pm — 1 Comment

Female Instincts vs. Quantum Entanglement

The  pivot role of a wild savant woman in the midst of revolutions and enlightenment: Emilie du Châtelet from my summer book Passionate Minds of David Bodanis, Three Rivers Press N.Y, 2006. I am impressed by Emilie ‘ insights permeated into the scientific mainstream with her unconventional but logic thoughts, so original that her male scientists recycled her ideas even forgot who had originated them. Emilie du Châtelet contributed the square to Einstein concept of energy…


Added by Chris on September 13, 2013 at 11:38am — 4 Comments

Weekly Digest - September 16

Featured Articles


Added by Vincent Granville on September 12, 2013 at 3:00pm — No Comments

Building better search tools: problems and solutions

Have you ever done a Google search for mining data? It returns the same results as for data mining. Yet these are two very different keywords: mining data usually means data about mining. And if you search for data about mining you still get the same results anyway.…


Added by Vincent Granville on September 11, 2013 at 9:30pm — 10 Comments

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